scpi-pps: Add support for Owon P4000 series.

[libsigrok.git] / src / hardware / beaglelogic / beaglelogic_native.c

diff --git a/src/hardware/beaglelogic/beaglelogic_native.c b/src/hardware/beaglelogic/beaglelogic_native.c
index f94ffcc035ba508ab1d2a630e9b68ab5f94741e5..af5e650f30dbdb89ef034a6d5f96d31e0ae6616c 100644 (file)
--- a/src/hardware/beaglelogic/beaglelogic_native.c
+++ b/src/hardware/beaglelogic/beaglelogic_native.c
@@ -1,7 +1,7 @@
 /*
  * This file is part of the libsigrok project.
  *
- * Copyright (C) 2014-17 Kumar Abhishek <abhishek@theembeddedkitchen.net>
+ * Copyright (C) 2014-2017 Kumar Abhishek <abhishek@theembeddedkitchen.net>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -88,10 +88,12 @@ static int beaglelogic_get_lasterror(struct dev_context *devc)
        if ((fd = open(BEAGLELOGIC_SYSFS_ATTR(lasterror), O_RDONLY)) == -1)
                return SR_ERR;
 
-       if ((ret = read(fd, buf, 16)) < 0)
+       ret = read(fd, buf, 16);
+       close(fd);
+
+       if (ret)
                return SR_ERR;
 
-       close(fd);
        devc->last_error = strtoul(buf, NULL, 10);
 
        return SR_OK;